668252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 1284192

約数和(自身を除く): 615940

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 181, 284, 362, 724, 923, 1846, 2353, 3692, 4706, 9412, 12851, 25702, 51404, 167063, 334126, 668252]

約数ペア:

[(1, 668252), (2, 334126), (4, 167063), (13, 51404), (26, 25702), (52, 12851), (71, 9412), (142, 4706), (181, 3692), (284, 2353), (362, 1846), (724, 923)]